Answer:
Earth's main energy inputs are longer radiation and ultraviolet light.
Explanation:
Earth's main source of energy is solar energy which is obtained from sun.
Sun light that is emitted from sun broken down into 3 major components-visible light with shorter wavelength, Ultra violet light which also contain shorter wave length that is 380 nm and infrared light with longer radiation that is 700 nm.
But sun emits 44% of its light as shorter wave length which is also called as visible wave length and 7% contain ultra violet light
The answer to your question is a
A. earthquakes and volcanic eruptions
I am pretty sure the answer is B:some severe thunderstorms.